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By M. A. Rashid, D. P. Singh

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Pointed gourd Patal Trichosanthes dioica Roxb. 24 7. Momordica dioica Roxb. Momordica charantia L. Luffa acutangula L. ) 28 9. Teasle gourd Kakrol Karola Bitter gourd Ridge gourd, Ribbed gourd Jinga,Torai 10. Sponge gourd Dhundul, Torai Luffa cylindrica L. 26 11. Watermelon Tarmuz, Tarbuz 22 12. ) Matsumura and Nakai Cucumis melo var. momordica L. 3. Wax or ash gourd Chal kumra 4. Cucumber 5. 8. 14 22 26 24 46 Botany Roots : The root system of all the economic cucurbits is extensive but shallow.

It grows best at 18-200°C but can't withstand at minimum 15°C and maximum 45°C. Soil Soil containing an abundance of humus, or an abundant supply of organic matter, are considered the most desirable for the culture of pumpkin. The best results being obtained on soils which are near neutral or slightly alkaline. 8 is the best for successful production of pumpkin. Varieties There is no released variety of pumpkin in the country. A land race named 'Baromashi' improved by BADC is popularly cultivated.

Wax or ash gourd Chal kumra 4. Cucumber 5. 8. 14 22 26 24 46 Botany Roots : The root system of all the economic cucurbits is extensive but shallow. Upon germination of the seed, the plants soon develop a strong tap-root which may penetrate the soil to a depth of 3 or 4 to 6 ft. Numerous horizontal laterals develop rapidly and spread widely in the soil, although branching of the tap-root is not extensive below the 2 ft level. Stems : All cucurbits are alike in their general stem morphology. The stems are branched (3 to 8), prostrate, trailing, hirsute to scabrous and usually angled in cross section.

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A manual on vegetable seed production in Bangladesh by M. A. Rashid, D. P. Singh


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